Products

Data Converter Cleaner TUC - Unit Converter Import Export Survey Manager Tweet Controller

Developer

Article Blog Forum Interview Beginner News Startup Quiz

Users

Career

Apply Job Internship

Pricing

Login Sign Up Get a Quote

In Java, what's the difference between public, default, protected, and private?

Royce Roy 2540 06 May 2015

Are there clear rules on when to use each of these when making classes and interfaces and dealing with inheritance?

Royce Roy

Other

1 Answers

Anonymous User 06 May 2015 Accepted Answer

This Java tutorial may be of some use to you.

Modifier    | Class | Package | Subclass | World
————————————+———————+—————————+——————————+———————
public      |  y    |    y    |    y     |   y
————————————+———————+—————————+——————————+———————
protected   |  y    |    y    |    y     |   n
————————————+———————+—————————+——————————+———————
no modifier |  y    |    y    |    n     |   n    **also known as package-private**
————————————+———————+—————————+——————————+———————
private     |  y    |    n    |    n     |   n

y: accessible
n: not accessible

advertising